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    I'm sure this is a simple question for the kernel gurus here but cannot seem to find the answer.

    Can I use a semaphore in the bottom halve? I get a "scheduling in interrupt" error.

    How does one implement and routine in a module that will do something when a certain event happens? I tried to use a timer and in the timer function tried to sleep on a semaphore and this does not work.


    Oh BTW, is there a different list for these type of questions.


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